ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,509, issued on March 18, was assigned to HAGNESIA AB (Hindas, Sweden).
"Winding arrangement for modulated pole machines" was invented by Anders Hagnestal (Hindas, Sweden) and Marten Keijser (Sundbyberg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical machine (1) operating by switching of magnetic flux comprises a rotor (10), a stator (20) and a winding (30). The stator has at least two stator discs (22) magnetically connected in series via rotor discs (12). The electric machine topology implements the magnetic gearing effect, and has simple winding loops (32) enclosing magnetic structures (70). The magnetic structures are secure...